Which two statements regarding the BGP peerlngs are correct? (Choose two)
A.
On PE5,the incoming prefixes received from the 192.168.105.51 EBGP peer is limited to a
maximum of 10 prefixes
B.
On PE5, the “rplin” inbound route policy is applied to the 192.168.105.51 EBGP peer
C.
On PE5, the “pass” outbound route policy is applied to the 192.168.105.51 EBGP peer
D.
PE5 has one EBGP peer (CE5) and two IBGP peers (P1 and PE6)
E.
PE5 has received a total of 60 prefixes from its neighbors
Explanation:
#show ip bgp
BGP maximum prefixes limiting is used to establish a hard limit on the number of prefixes received from a neighbor. It is enabled by default on Cisco IOS XR Software to impose limitations for different address families.
RP/0/RSP0/CPU0:PE2#show bgp neighbors 192.168.105.51
BGP neighbor is 192.168.105.1
Remote AS 64505, local AS 64500, external link
Maximum prefixes allowed 10 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
Threshold for warning message 80%, restart interval 5 min
show bgp neighbors 192.168.105.51
BGP neighbor is 10.0.101.1, remote AS 2, local AS 1, external link
Description: routem neighbor
Remote router ID 10.0.101.1
BGP state = Established, up for 00:00:56
TCP open mode: passive only
For Address Family: IPv4 Unicast
5 accepted prefixes, 5 are bestpaths <<<<<<<<<<<<<<<<<<<<<
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http://www.cisco.com/c/en/us/td/docs/ios_xr_sw/iosxr_r3-7/routing/command/reference/rr37bgp.html#wp1364708
RP/0/RP0/CPU0:router# show bgp neighbors 10.0.101.1
Policy for incoming advertisements is pass-all
Policy for outgoing advertisements is pass-all
RP/0/RP0/CPU0:router# show bgp neighbors 10.0.101.1 configuration
address-family ipv4 unicast___[]
policy pass-all in____________[]
policy pass-all out___________[]
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“A total of 60 prefixes from its neighbors” – may need to add together (sum) all accepted prefixes from all neighbors
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